2. "Buy the App" again. Once you have purchased an App, you can buy it again for FREE anytime. If you buy it from your PC, make sure you "Sync" your device. Alternatively, you can buy the App from your device via a WiFi connection.

How to update your iPad App

3. On your device, Tap "App Store" then at the bottom, Tap "Updates" and choose which Apps you want to update.